1. River Systems

7. I. Water Distribution 1.36 billion cubic km of water 97.2%oceans 2.15% glacial ice 0.65% lakes, streams, ground water

8. II. The Hydrologic Cycle 1)Precipitation

9. The Hydrologic Cycle 2)Evaporation-Transpiration

10. The Hydrologic Cycle 3)Infiltration

11. The Hydrologic Cycle 4)Runoff

12. The Hydrologic Cycle 5)Runoff

14. III. Stream Flow A. Terms

15. III. Stream Flow A.Terms 1. Laminar vs. Turbulent

16. III. Stream Flow A.Terms 1. Laminar vs. Turbulent

17. III. Stream Flow A.Terms 2. Velocity, Area, Discharge

18. Water Velocity

19. Area

20. Discharge

21. Discharge = Velocity x Area

22. Discharge Discharge = Velocity x Area Q = V x A

23. III. Stream Flow A.Terms 3. Gradient

24. III. Stream Flow A.Terms 3. Gradient Rise =Vertical drop of the stream RunHorizontal Distance

25. Rise =Vertical drop of the stream RunHorizontal Distance

26. III. Stream Flow B. Downstream Trends 1. gradient 2. width and depth 3. discharge 4. velocity

27. III. Stream Flow B. Downstream Trends a. gradient  b. width and depth c. discharge d. velocity

28. III. Stream Flow B. Downstream Trends a. gradient  b. width and depth  c. discharge d. velocity

29. III. Stream Flow B. Downstream Trends a. gradient  b. width and depth  c. discharge  d. velocity

30. III. Stream Flow B. Downstream Trends a. gradient  b. width and depth  c. discharge  d. velocity 

31. III. Work of Running Water A. Erosion

32. III. Work of Running Water A. Erosion 1) Sheet flow

33. III. Work of Running Water A. Erosion 1) Sheet flow 2) Rill flow

34. 3) Stream (gully) flow

35. III. Work of Running Water B. Transportation 1) dissolved load

36. B. Transportation 1) dissolved load 2) suspended load

37. B. Transportation 1) dissolved load 2) suspended load 3) bedload

38. Bed load – –Rolling –Sliding –Saltation

39. Saltation

40. IV. Features of Streams

41. A)Waterfalls and Rapids

45. IV. Features of Streams B)Meanders

46. Pointbars Cutbanks

47. IV. Features of Streams C)Pointbars

48. IV. Features of Streams D)Cutbanks

49. IV. Features of Streams

50. E. Oxbow lakes

51. IV. Features of Streams E) Oxbow lakes

52. IV. Features of Streams Oxbow lakes (Cont’d)

53. IV. Features of Streams Oxbow lakes (Cont’d)

55. IV. Features of Streams F) Braided Streams

56. G) Natural Levees

57. IV. Features of Streams H) Deltas

59. IV. Features of Streams I) Floodplains and Terraces

63. V. “Other Topics” A) Drainage Patterns 1. dendritic

65. V. “Other Topics” A) Drainage Patterns 1. dendritic2. radial

67. V. “Other Topics” A) Drainage Patterns 1. dendritic2. radial 3. rectangular

69. V. “Other Topics” A) Drainage Patterns 1. dendritic2. radial 3. rectangular 4. trellis

71. V. “Other Topics” A) Drainage Patterns 5. Deranged Drainage

73. V. “Other Topics” A) Drainage Patterns 5. Deranged Drainage

74. V. “Other Topics” B) Stream Piracy

75. Stream Piracy

77. V. “Other Topics” B) Stream Piracy C) Channelization

78. Channelization

82. Rise = vertical drop Run horizontal distance

83. Channelization

88. V. “Other Topics” B) Stream Piracy C) Channelization D) Flood hydrograph

89. Hydrograph A. General

90. Hydrograph A. General B. Storm Hydrograph